Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Thousands  | 
Apr. 29, 2017  | 
Jan. 28, 2017  | 
Apr. 30, 2016  | 
|---|---|---|---|
| Fair Value, Inputs, Level 2 [Member] | |||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||
| Deferred compensation plan liability | $ 13,259 | $ 10,474 | $ 10,191 | 
| X | ||||||||||
- Definition The Company's liability at the end of the reporting period for the Deferred Compensation Plan. No definition available. 
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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| X | ||||||||||
- Details 
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